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LR-7 Knee Joint

膝关 〔膝關〕 xī guān

Channel: LR, foot reverting yīn (jué yīn) liver channel

Modern location: An acupoint located on the medial aspect of the lower leg, below the inferior border of the medial condyle of the tibia, in the medial head of the gastrocnemius muscle, 1 cùn posterior to SP-9.

Classical location: In the depression two cùn below the Inner Eye of the Knee (M-LE-16). From The Great Compendium of Acupuncture and Moxibustion (针灸大成 zhēn jiǔ dà chéng)

Local anatomy: At the deeper level, the posterior tibial artery. The branch of the medial sural cutaneous nerve; deeper, the tibial nerve.

Action: Frees the channels and network vessels; disinhibits the joints; dispels wind and relieves pain.

Modern indications: Painful swelling of the knee.

Classical indications: Pain in the medial aspect of the knee causing an inability to bend or extend the leg; smaller abdominal pain accompanied by pharyngeal pain; wind impediment (fēng bì).

Needle stimulus: Needling: 0.3‒0.6 cùn perpendicular insertion. Moxa: 3‒5 cones; pole 5 min.

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